| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IGMS | Common Stock | Award | $14,367 | +313 | +23% | $45.90* | 1,700 | 14 May 2021 | Direct | F1, F2 |
| holding | IGMS | Common Stock | 196,718 | 14 May 2021 | See footnote | F3 |
| Id | Content |
|---|---|
| F1 | The shares were acquired under the IGM Biosciences, Inc. 2019 Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c). |
| F2 | The number of shares held reflects the transfer by the Reporting Person, on February 17, 2021, of 196,718 shares to Fred M. Schwarzer & Deborah R. Schwarzer TTEES of the Schwarzer Family Trust U/A DTD 04/05/2018 (the "Schwarzer Family Trust"). |
| F3 | The shares are held by the Schwarzer Family Trust. |